1*4882a593Smuzhiyunlibtraceevent(3) 2*4882a593Smuzhiyun================ 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunNAME 5*4882a593Smuzhiyun---- 6*4882a593Smuzhiyuntep_is_file_bigendian, tep_set_file_bigendian - Get / set the endianness of the 7*4882a593Smuzhiyunraw data being accessed by the tep handler. 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunSYNOPSIS 10*4882a593Smuzhiyun-------- 11*4882a593Smuzhiyun[verse] 12*4882a593Smuzhiyun-- 13*4882a593Smuzhiyun*#include <event-parse.h>* 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunenum *tep_endian* { 16*4882a593Smuzhiyun TEP_LITTLE_ENDIAN = 0, 17*4882a593Smuzhiyun TEP_BIG_ENDIAN 18*4882a593Smuzhiyun}; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunbool *tep_is_file_bigendian*(struct tep_handle pass:[*]_tep_); 21*4882a593Smuzhiyunvoid *tep_set_file_bigendian*(struct tep_handle pass:[*]_tep_, enum tep_endian _endian_); 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun-- 24*4882a593SmuzhiyunDESCRIPTION 25*4882a593Smuzhiyun----------- 26*4882a593SmuzhiyunThe _tep_is_file_bigendian()_ function gets the endianness of the raw data, 27*4882a593Smuzhiyunbeing accessed by the tep handler. The _tep_ argument is trace event parser 28*4882a593Smuzhiyuncontext. 29*4882a593Smuzhiyun 30*4882a593SmuzhiyunThe _tep_set_file_bigendian()_ function sets the endianness of raw data being 31*4882a593Smuzhiyunaccessed by the tep handler. The _tep_ argument is trace event parser context. 32*4882a593Smuzhiyun[verse] 33*4882a593Smuzhiyun-- 34*4882a593SmuzhiyunThe _endian_ argument is the endianness: 35*4882a593Smuzhiyun _TEP_LITTLE_ENDIAN_ - the raw data is in little endian format, 36*4882a593Smuzhiyun _TEP_BIG_ENDIAN_ - the raw data is in big endian format. 37*4882a593Smuzhiyun-- 38*4882a593SmuzhiyunRETURN VALUE 39*4882a593Smuzhiyun------------ 40*4882a593SmuzhiyunThe _tep_is_file_bigendian()_ function returns true if the data is in bigendian 41*4882a593Smuzhiyunformat, false otherwise. 42*4882a593Smuzhiyun 43*4882a593SmuzhiyunEXAMPLE 44*4882a593Smuzhiyun------- 45*4882a593Smuzhiyun[source,c] 46*4882a593Smuzhiyun-- 47*4882a593Smuzhiyun#include <event-parse.h> 48*4882a593Smuzhiyun... 49*4882a593Smuzhiyunstruct tep_handle *tep = tep_alloc(); 50*4882a593Smuzhiyun... 51*4882a593Smuzhiyun tep_set_file_bigendian(tep, TEP_LITTLE_ENDIAN); 52*4882a593Smuzhiyun... 53*4882a593Smuzhiyun if (tep_is_file_bigendian(tep)) { 54*4882a593Smuzhiyun /* The raw data is in big endian */ 55*4882a593Smuzhiyun } else { 56*4882a593Smuzhiyun /* The raw data is in little endian */ 57*4882a593Smuzhiyun } 58*4882a593Smuzhiyun-- 59*4882a593Smuzhiyun 60*4882a593SmuzhiyunFILES 61*4882a593Smuzhiyun----- 62*4882a593Smuzhiyun[verse] 63*4882a593Smuzhiyun-- 64*4882a593Smuzhiyun*event-parse.h* 65*4882a593Smuzhiyun Header file to include in order to have access to the library APIs. 66*4882a593Smuzhiyun*-ltraceevent* 67*4882a593Smuzhiyun Linker switch to add when building a program that uses the library. 68*4882a593Smuzhiyun-- 69*4882a593Smuzhiyun 70*4882a593SmuzhiyunSEE ALSO 71*4882a593Smuzhiyun-------- 72*4882a593Smuzhiyun_libtraceevent(3)_, _trace-cmd(1)_ 73*4882a593Smuzhiyun 74*4882a593SmuzhiyunAUTHOR 75*4882a593Smuzhiyun------ 76*4882a593Smuzhiyun[verse] 77*4882a593Smuzhiyun-- 78*4882a593Smuzhiyun*Steven Rostedt* <rostedt@goodmis.org>, author of *libtraceevent*. 79*4882a593Smuzhiyun*Tzvetomir Stoyanov* <tz.stoyanov@gmail.com>, author of this man page. 80*4882a593Smuzhiyun-- 81*4882a593SmuzhiyunREPORTING BUGS 82*4882a593Smuzhiyun-------------- 83*4882a593SmuzhiyunReport bugs to <linux-trace-devel@vger.kernel.org> 84*4882a593Smuzhiyun 85*4882a593SmuzhiyunLICENSE 86*4882a593Smuzhiyun------- 87*4882a593Smuzhiyunlibtraceevent is Free Software licensed under the GNU LGPL 2.1 88*4882a593Smuzhiyun 89*4882a593SmuzhiyunRESOURCES 90*4882a593Smuzhiyun--------- 91*4882a593Smuzhiyunhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 92